isStatic() — vue Function Reference

Architecture documentation for the isStatic() function in optimizer.ts from the vue codebase.

Function typescript CompilerSFC TemplateTransformer calls 1 called by 1

Entity Profile

CompilerSFC→ TemplateTransformer→ isStatic() — vue Function Reference

Dependency Diagram

graph TD
  e4e07c76_033f_8a05_db91_26039099f986["isStatic()"]
  62546a34_f736_9139_cfec_7d596f17642d["optimizer.ts"]
  e4e07c76_033f_8a05_db91_26039099f986 -->|defined in| 62546a34_f736_9139_cfec_7d596f17642d
  ea97fb1f_8393_c30f_027b_052e24cd5a51["markStatic()"]
  ea97fb1f_8393_c30f_027b_052e24cd5a51 -->|calls| e4e07c76_033f_8a05_db91_26039099f986
  f18d3e4d_ffec_614c_b9ca_9c12ed6ff5d1["isDirectChildOfTemplateFor()"]
  e4e07c76_033f_8a05_db91_26039099f986 -->|calls| f18d3e4d_ffec_614c_b9ca_9c12ed6ff5d1
  style e4e07c76_033f_8a05_db91_26039099f986 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/compiler/optimizer.ts lines 103–122

function isStatic(node: ASTNode): boolean {
  if (node.type === 2) {
    // expression
    return false
  }
  if (node.type === 3) {
    // text
    return true
  }
  return !!(
    node.pre ||
    (!node.hasBindings && // no dynamic bindings
      !node.if &&
      !node.for && // not v-if or v-for or v-else
      !isBuiltInTag(node.tag) && // not a built-in
      isPlatformReservedTag(node.tag) && // not a component
      !isDirectChildOfTemplateFor(node) &&
      Object.keys(node).every(isStaticKey))
  )
}